Water Quality in New York: Complete Guide
Everything homeowners need to know about New York tap water - hardness, contaminants, treatment options, and costs.
Quick summary: New York has an average water hardness of 62 PPM across 37 cities. 19% of cities have hard water above 120 PPM. PFAS contamination is detected above EPA limits in at least one city. Most households do not need water softening equipment.
Water Hardness Across New York
New York's water hardness ranges from 25 PPM in New York to 162 PPM in Rochester, with a statewide average of 62 PPM. This makes New York one of the softer-water states. The national average is approximately 120 PPM.
Most New York cities use surface water (rivers, lakes, reservoirs), which generally has lower mineral content than groundwater.
Contaminants of Concern in New York
PFAS: The average PFAS level across New York cities is 2.1 ppt. Suffern has the highest detected PFAS at 23.55 ppt, above the EPA maximum contaminant level of 4 ppt. Residents should consider a reverse osmosis or NSF P473-certified filter for drinking water.
Lead: Lead contamination comes from plumbing infrastructure, not the water source. New York homes built before 1986 are at higher risk due to lead solder. 16 cities show lead levels above 5 ppb.
Do You Need a Water Softener in New York?
For most New York residents, no. Only 19% of cities have hard water above 120 PPM. However, individual situations vary - check your city page for specific data.
Impact of Hard Water in New York
With an average hardness of 62 PPM, most New York households do not face significant hard water impact. However, homes with hardness above 120 PPM should evaluate treatment options.